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Paper Information

Title: 

INVESTIGATION OF MICROBIAL ENHANCE OIL RECOVERY’S (MEOR) PERFORMANCE AS A CANDIDATE IN IRANIAN SOUTHERN OIL FIELDS

Type: PAPER
Author(s): ALIKHANI PAYAM*,HESAMI SEYYED MOHAMMADREZA,JAMSHIDI EMAD
 
 *DEPARTMENT OF PETROLEUM ENGINEERING, PETROLEUM UNIVERSITY OF TECHNOLOGY, AHWAZ, IRAN
 
Name of Seminar: INTERNATIONAL CONFERENCE OIL, GAS, PETROCHEMICAL AND POWER PLANT
Type of Seminar:  CONFERENCE
Sponsor:  SHERKATE TAVONI AMOZESHI PAZHOHESHI VESTA
Date:  2012Volume 1
 
 
Abstract: 

ENHANCED OIL RECOVERY (EOR) PROCESS IS USED TO RECOVER ADDITIONAL OIL LEFT IN PLACE AFTER PRIMARY RECOVERY. THE PREDICTION OF ITS PERFORMANCE IS OF GREAT IMPORTANCE IN SELECTION AND DESIGN OF CERTAIN EOR PROCESS AND FUTURE PLANNING FOR OIL PRODUCTION. MICROBIAL ENHANCE OIL RECOVERY (MEOR) IS FRIENDLY WITH ENVIRONMENT, AND IT IS APPLIED AS EX-SITU AND IN-SITU IN OIL RESERVOIRS. IN MICROBIAL FLOODING, IN THE WATER OIL CONTACT THE MICROORGANISMS CONSUME THE NUTRITION AND PRODUCE BIOACID, BIOPOLYMER, BIOSURFACTANT, BIOGAS AND SOLVENT, WHICH IMPROVE THE OIL RECOVERY AND YIELD THE LESS HARMFUL PRODUCT FOR A GREEN ENVIRONMENT WITH RESPECT TO OTHER TYPES OF EOR METHODS. THIS STUDY WAS INVESTIGATED POTENTIAL OF APPLYING MEOR BY OIL RECOVERY PREDICTION IN FIVE DIFFERENT CARBONATE RESERVOIRS. THE STUDY IS CONDUCTED UTILIZING 100 LABORATORY DATA WITH VALID REFERENCES. IN ALL OF THESE REFERENCES, MEOR PROCESSES ARE OBTAINED BASED ON POROSITY, PERMEABILITY, SALINITY, TEMPERATURE, PRESSURE AND PH. CLOSTRIDIUM ACETOBUTYLICUM ARE ALSO USED AS MICROBE. FROM THIS LABORATORY DATA DIFFERENT DATA CLUSTERS ARE TESTED BY ADAPTIVE NEURO FUZZY INFERENCE SYSTEM (ANFIS). THE BEST MODELING (FOUR OR FIVE CLUSTERS) OBTAINED BASED ON MEAN SQUARE ERROR (MSE) AND CORRECTION FACTOR (R-VALUE) BY EMPLOYING RESERVOIR PARAMETERS AS INPUTS AND OIL RECOVERIES AS OUTPUTS. FIVE DIFFERENT RESERVOIRS SELECTED FROM IRANIAN SOUTHERN OIL FIELDS, WHICH HAVE NOT EXPERIENCED ANY EOR PROCESSING BEFORE. RESERVOIR PROPERTIES ENTERED AS INPUTS IN OBTAINED ANFIS MODEL, WHICH RESULT FIVE OUTPUT AS OIL RECOVERY PREDICTION. RESULTS REVEAL 36.71- 40.68% OIL RECOVERY, WHICH CONFORM TO PREVIOUS STUDIES. BESIDES, CONSIDERING GREEN TECHNOLOGIES, IT IS SHOWN THAT MEOR CAN BE ONE OF THE BEST OPTIONS AMONG EOR TECHNIQUES FOR CARBONATE RESERVOIRS.

 
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